package com.winfan.dao;

import java.sql.Connection;
import java.sql.PreparedStatement;
import java.sql.ResultSet;

import com.winfan.model.User;

public class UserDao {
	/**
	 * 登录验证
	 * @param con
	 * @param user
	 * @return
	 * @throws Exception
	 */
   public User login(Connection con,User user) throws Exception{
	   User resultUser = null;
	   String sql="select * from t_user where userName=? and password=?";
	   PreparedStatement pstmt = con.prepareStatement(sql);
	   pstmt.setString(1, user.getUserName());
	   pstmt.setString(2, user.getPassword());
	   ResultSet rs = pstmt.executeQuery();
	   if(rs.next()){
		   resultUser = new User();
		   resultUser.setId(rs.getInt("id"));
		   resultUser.setUserName(rs.getString("userName"));
		   resultUser.setPassword(rs.getString("password"));
	   }
	   return resultUser;
   }
}
